<template>
  <el-form label-width="100px">
    <el-form-item label="SKU名称">
      <el-input placeholder="SKU名称" v-model="skuParams.skuName"></el-input>
    </el-form-item>
    <el-form-item label="价格(元)">
      <el-input placeholder="价格(元)" type="number" v-model="skuParams.price"></el-input>
    </el-form-item>
    <el-form-item label="重量(g)">
      <el-input placeholder="重量(g)" type="number" v-model="skuParams.weight"></el-input>
    </el-form-item>
    <el-form-item label="SKU描述">
      <el-input placeholder="SKU描述" type="textarea" v-model="skuParams.skuDesc"></el-input>
    </el-form-item>
    <el-form-item label="平台属性">
      <el-form :inline="true">
        <el-form-item :label="item.attrName" v-for="item in attrArr" :key="item.id">
          <el-select v-model="item.attrIdAndValueId">
            <el-option :value="`${item.id}:${attrValue.id}`" v-for="attrValue in item.attrValueList" :key="attrValue.id" :label="attrValue.valueName"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
    </el-form-item>
    <el-form-item label="销售属性">
      <el-form :inline="true">
        <el-form-item v-for="item in saleArr" :key="item.id" :label="item.saleAttrName">
          <el-select v-model="item.saleIdAndValueId">
            <el-option :value="`${item.id}:${saleAttrValue.id}`" v-for="saleAttrValue in item.spuSaleAttrValueList" :key="saleAttrValue.id" :label="saleAttrValue.saleAttrValueName"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
    </el-form-item>
    <el-form-item label="图片名称">
      <el-table border ref="table" :data="imgArr">
        <el-table-column type="selection" width="80px" align="center"></el-table-column>
        <el-table-column label="图片">
          <template #="{ row }">
            <img :src="row.imgUrl" alt="" style="width: 100px; height: 100px" />
          </template>
        </el-table-column>
        <el-table-column label="名称" prop="imgName"></el-table-column>
        <el-table-column label="操作">
          <template #="{ row }">
            <el-button type="primary" size="small" @click="handler(row)">设置默认</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="default" @click="save">保存</el-button>
      <el-button type="primary" size="default" @click="cancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script setup lang="ts">
import { ElMessage } from 'element-plus'
import { ref, reactive } from 'vue'
import { reqAttr } from '@/api/product/attr/index.ts'
import { reqSpuImageList, reqSpuHasSaleAttr, reqAddSku } from '@/api/product/spu/index.ts'
//平台属性
let attrArr = ref<any>([])
//销售属性
let saleArr = ref<any>([])
//照片的数据
let imgArr = ref<any>([])

//收集SKU的参数
let skuParams = reactive({
  //父组件传递过来的数据
  category3Id: '', //三级分类的ID
  spuId: '', //已有的SPU的ID
  tmId: '', //SPU品牌的ID
  //v-model收集
  skuName: '', //sku名字
  price: '', //sku价格
  weight: '', //sku重量
  skuDesc: '', //sku的描述

  skuAttrValueList: [
    //平台属性的收集
  ],
  skuSaleAttrValueList: [
    //销售属性
  ],
  skuDefaultImg: '' //sku图片地址
})
//当前子组件的方法对外暴露
let initSkuData = async (c1Id: number | string, c2Id: number | string, spu: any) => {
  //收集数据
  skuParams.category3Id = spu.category3Id
  skuParams.spuId = spu.id
  skuParams.tmId = spu.tmId

  //获取平台属性
  let res = await reqAttr(c1Id, c2Id, spu.category3Id)
  //获取照片墙的数据
  let res1 = await reqSpuImageList(spu.id)
  //获取对应的销售属性
  let res2 = await reqSpuHasSaleAttr(spu.id)
  //平台属性
  attrArr.value = res.data
  //照片墙
  imgArr.value = res1.data
  //销售属性
  saleArr.value = res2.data
}
//获取表格的组件实例
let table = ref()
//点击设置默认图片的按钮
let handler = (row: any) => {
  //排他思想，先让图片墙所有的都不选中，再将需要的选中
  imgArr.value.forEach((item: any) => {
    table.value.toggleRowSelection(item, false)
  })
  //选中的图片才勾选
  table.value.toggleRowSelection(row, true)
  //收集图片地址
  skuParams.skuDefaultImg = row.imgUrl
}
//点击确定按钮
let save = async () => {
  //整理参数   平台属性
  skuParams.skuAttrValueList = attrArr.value.reduce((pre: any, cur: any) => {
    if (cur.attrIdAndValueId) {
      let [attrId, valueId] = cur.attrIdAndValueId.split(':')
      pre.push({
        attrId,
        valueId
      })
    }
    return pre
  }, [])
  //销售属性
  skuParams.skuSaleAttrValueList = saleArr.value.reduce((pre: any, cur: any) => {
    if (cur.saleIdAndValueId) {
      let [saleAttrId, saleAttrValueId] = cur.saleIdAndValueId.split(':')
      pre.push({
        saleAttrId,
        saleAttrValueId
      })
    }
    return pre
  }, [])
  //发请求
  let res = await reqAddSku(skuParams)
  if (res.code == 200) {
    ElMessage({
      type: 'success',
      message: '添加SKU成功'
    })
    //场景切换为0
    $emit('changeScene', { flag: 0, params: '' })
  } else {
    ElMessage({
      type: 'error',
      message: '添加SKU失败'
    })
  }
}
//自定义事件的方法
let $emit = defineEmits(['changeScene'])
//取消按钮的回调
let cancel = () => {
  $emit('changeScene', { flag: 0, params: '' })
}
//对外暴露
defineExpose({ initSkuData })
</script>

<style scoped></style>
